Bump tokio from 1.39.2 to 1.40.0

Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.39.2 to 1.40.0.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](tokio-rs/tokio@tokio-1.39.2...tokio-1.40.0)

---
updated-dependencies:
- dependency-name: tokio
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Cargo.toml

@@ -26,7 +26,7 @@ dotenv = "0.15.0"
 reqwest = { version = "0.12.5", features = ["json"] }
 serde = { version = "1.0.204", features = ["derive"] }
 serde_json = "1.0.128"
-tokio = { version = "1.39.2", features = ["full"] }
+tokio = { version = "1.40.0", features = ["full"] }
 
 # Strip symbols from the binary.
 # [profile.release]

python_wrapper/Cargo.toml

@@ -12,4 +12,4 @@ crate-type = ["cdylib"]
 wspr_cdk = { path = "../" }
 pyo3 = { version = "0.20.0", features = ["extension-module"] }
 pyo3-asyncio = { version = "0.20", features = ["tokio-runtime"] }
-tokio = "1.39"
+tokio = "1.40"

wspr_cdk_server/Cargo.toml

@@ -13,4 +13,4 @@ dotenv = "0.15.0"
 rocket = { version = "0.5.1", features = ["json"] }
 serde = { version = "1.0.204", features = ["derive"] }
 serde_json = "1.0.128"
-tokio = { version = "1.39.2", features = ["full"] }
+tokio = { version = "1.40.0", features = ["full"] }